U.S. shipments of residential gas storage water heaters for August 2011 decreased 8%, to 284,536 units, down from 308,646 units shipped in August 2010. Residential electric storage water heater shipments decreased 5% in August 2011, to 284,574 units, down from 299,048 units shipped in August 2010.
A few circumstances in a data center make it ripe for a CHP design to boost efficiency. Let’s get into the options within both relevant chiller types, why payback may be shorter than expected, and the assorted potential benefits from lower costs to higher reliability. Some tips from an array of manufacturers’ reps round out this useful investigation.